Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Asset Retirement Obligation

	2019			2018
Carrying amount of asset retirement obligation	$	1,324,000		$	1,180,000
Liabilities added		110,000			54,000
Liabilities divested or settled		(146,000	)		(99,000	)
Current period accretion expenses		120,000			189,000
Carrying amount as of December 31,	$	1,408,000		$	1,324,000